Season 49

NOVA

Zero to Infinity

S49 Ep19 | 53m 32s

Discover how the concepts of zero and infinity revolutionized mathematics.

NOVA

Crypto Decoded

S49 Ep18 | 53m 22s

What exactly is crypto, and how does it work? This technology is more than just money.

NOVA

Nazca Desert Mystery

S49 Ep17 | 53m 31s

Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.

NOVA

Ocean Invaders

S49 Ep16 | 53m 32s

Meet one of the ocean’s most beautiful and destructive species: Lionfish.

NOVA

Can Psychedelics Cure?

S49 Ep15 | 53m 47s

Psychedelics are unlocking new ways to treat conditions like addiction and depression.

NOVA

Computers v. Crime

S49 Ep14 | 53m 30s

Is artificial intelligence making policing and courts fairer, or is it increasing bias?

NOVA

Ending HIV in America

S49 Ep11 | 53m 33s

Can innovative drugs and therapies finally end HIV?

NOVA

Saving Venice

S49 Ep12 | 53m 31s

Can innovative engineering projects save Venice?

NOVA

Ultimate Space Telescope

S49 Ep10 | 53m 33s

Discover how NASA engineers built and launched the most ambitious telescope of all time.

NOVA

Ice Age Footprints

S49 Ep9 | 53m 32s

Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.

NOVA

Why Ships Crash

S49 Ep8 | 53m 31s

How could a single ship cause a major supply chain crisis around the globe?

NOVA

Dinosaur Apocalypse: The Last Day

S49 Ep7 | 53m 33s

Scientists use new fossils to reconstruct the day the dinosaurs died.

NOVA

Dinosaur Apocalypse: The New Evidence

S49 Ep6 | 53m 33s

Striking new fossils paint a picture of life right before the asteroid impact.

NOVA

Determined: Fighting Alzheimer's

S49 Ep5 | 53m 28s

Follow three women enrolled in a new study to try to prevent Alzheimer’s.

NOVA

Augmented

S49 Ep4 | 1h 25m 2s

An ingenious new technology allows prosthetic legs to move and feel like the real thing.

NOVA

Great Mammoth Mystery

S49 Ep3 | 53m 26s

Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.

NOVA

Secrets in the Scat

S49 Ep2 | 53m 32s

Join biologists on an ingenious hunt for the clues hidden in animal poop.

NOVA

Arctic Sinkholes

S49 Ep1 | 53m 28s

In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate